{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146717187",
    "entityType": "User",
    "nonce": "0xa4cea517d3b84903336fa2f9e08ed6926381485259b0212f6e796ac0171f4f52",
    "signature": "0x3b1bd61989b4c1f7446a4dc7ae8bbbd74ec8bcf10fe0d60180b1770c16beba307dc4e330903e7beba67ad78e04803426806503e7bf41e50c29f63ed46dfc6c7b1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}